203742140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1455301}}^1$

素因数の和:1455317

約数の個数: 24

約数和(自身を含む): 488981472

約数和(自身を除く): 285239332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1455301, 2910602, 5821204, 7276505, 10187107, 14553010, 20374214, 29106020, 40748428, 50935535, 101871070, 203742140]

約数ペア:

[(1, 203742140), (2, 101871070), (4, 50935535), (5, 40748428), (7, 29106020), (10, 20374214), (14, 14553010), (20, 10187107), (28, 7276505), (35, 5821204), (70, 2910602), (140, 1455301)]